23476639 has 2 divisors, whose sum is σ = 23476640. Its totient is φ = 23476638.

The previous prime is 23476613. The next prime is 23476657. The reversal of 23476639 is 93667432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23476639 - 2⁷ = 23476511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23476669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11738319 + 11738320.

It is an arithmetic number, because the mean of its divisors is an integer number (11738320).

Almost surely, 2^23476639 is an apocalyptic number.

23476639 is a deficient number, since it is larger than the sum of its proper divisors (1).

23476639 is an equidigital number, since it uses as much as digits as its factorization.

23476639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 40.

The square root of 23476639 is about 4845.2697551323. The cubic root of 23476639 is about 286.3377714990.

The spelling of 23476639 in words is "twenty-three million, four hundred seventy-six thousand, six hundred thirty-nine".